Features: No fading, no discoloration, water rinsing, easy to clean. High-quality silicone material, lightweight, strong toughness, durable, wear-resistant and scratch-resistant. Available in 8 colors, highlighting fashion and personality, suitable for various cycling sports scenes. Proper fit, designed ing to specifications, easy to install. Specifications: Material: Silicone Size: Approx. 8.6 x 6 x 1.8 cm / 3.38 x 2.36 x 0.7 inch Color: Water Duck Color, Orange, Blue, Black, Red, Dark Gray, Navy Blue, White Compatible with Garmin Edge 840 Note: Please allow 1-2 cm error due to manual measurement; ensure you are comfortable with this before ordering. Due to differences between monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding. Package includes: 1 x Protective Cover